Chapter 4 Test 20 multiple choice questions. Test will be given Wednesday October 16, 2013.

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Presentation transcript:

Chapter 4 Test 20 multiple choice questions. Test will be given Wednesday October 16, 2013.

Chapter 4 Test Question Topics 20 multiple choice questions. 1- Know the definitions of the ground state and the excited states of an atom. 2- What must occur for an atom to move from the ground to the excited state or from the excited to the ground state? 3- Know the definitions of an electron cloud and an atomic nucleus. 4- What determines the size and shape of an electron cloud? 5- Know how many quantum numbers are needed to describe an electron in an atom.

6- Know what each quantum number represents 6- Know what each quantum number represents. 7- Calculate the number of possible electrons per energy level using the formula “ 2n2 “. 8- Know the shapes of “s” and “p” orbitals and the number of each type of orbital (s, p, d, f) and the highest possible number of electrons per orbital type. 9- Know the definitions of the Aufbau principle, Pauli exclusion principle, and Hund’s rule. 10- Use electron configuration notation to determine the number of electrons, the atomic number, and the identity of elements. 11- Know the definition of an octet of electrons.